Book Description

Excerpt from Dredges and Dredging It is a singular fact that nearly every man feels that he is com petent to carry on a job of earth or rock excavation, yet there is nothing more difficult than to do such work economically. Man since prehistoric times has been digging into mother earth, yet there is always something to learn regarding excavation work. The last word will never be said on the subject. In this treatise only one class of excavation is touched upon, namely, dredging. If one needs an excuse for offering to the profession this book, it is found in the vast importance of dredging in our commercial life. Not only are there millions upon millions of dollars invested in dredging plants and outfits, but it has only been possible to con struct and use vessels of great tonnage, owing to the wonderful achievements of the dredge designers and the engineers and con tractors engaged in operating such machines. Then, too, great canals are constructed with the aid of dredges, large areas of swamp lands are reclaimed for the use of man with such machines, and precious metals are recovered from streams or river bottoms with their aid. This treatise is written with a view of presenting the subject in a concise and logical manner, so that it may be found useful both to the man of experience and to the beginner or student. Should it so prove the author will feel that his labor has not been in vain. The thanks of the author are due Mr. Daniel J. Hauer for many valuable suggestions. C. P. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.